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COBS Statistics:
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Observations statistics for C/1989 W1

Total:
Number of active observers:
(total includes noncontributing observers)
87 of 2668
Number of active associations:
(total includes noncontributing associations)
8 of 17
Number of active countries:
(total includes noncontributing countries)
21 of 250
Total number of observations:
476
- Visual Observations:
476
- CCD Observations:
0

Top observers:
Total:
Visual:
CCD:
34 34 0
26 26 0
24 24 0
20 20 0
20 20 0
19 19 0
14 14 0
13 13 0
13 13 0
12 12 0
11 11 0
11 11 0
11 11 0
11 11 0
11 11 0
10 10 0
10 10 0
9 9 0
8 8 0
8 8 0
8 8 0
8 8 0
7 7 0
7 7 0
7 7 0
6 6 0
6 6 0
6 6 0
5 5 0
5 5 0
5 5 0
5 5 0
4 4 0
4 4 0
4 4 0
4 4 0
4 4 0
4 4 0
4 4 0
4 4 0
4 4 0
4 4 0
3 3 0
3 3 0
3 3 0
3 3 0
3 3 0
3 3 0
2 2 0
2 2 0
2 2 0
2 2 0
2 2 0
2 2 0
2 2 0
2 2 0
2 2 0
2 2 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0

Top Associations:
Total:
Visual:
CCD:
145 145 0
127 127 0
86 86 0
70 70 0
23 23 0
12 12 0
12 12 0
1 1 0

Top Countries:
Total:
Visual:
CCD:
113 113 0
77 77 0
62 62 0
40 40 0
38 38 0
29 29 0
16 16 0
16 16 0
15 15 0
12 12 0
12 12 0
12 12 0
11 11 0
8 8 0
8 8 0
2 2 0
1 1 0
1 1 0
1 1 0
1 1 0
1 1 0